<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>堆叠顺序</title>
    <style>
    div {
        position: absolute;
        width: 200px;
        height: 200px;
    }
    .box1 {
        background-color: pink;
        /*取值是整数,默认是0,取值越大显示顺序越靠上*/
        z-index: 1;
    }
    .box2 {
        background-color: skyblue;
        left: 100px;
        top:100px
    }
    </style>
</head>
<body>
 <div class="box1">box1</div>
<div class="box2">box2</div>
</body>
</html>
